/*
 *
 *  Copyright 2017-2019 the original author or authors.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *
 */
package springfox.documentation.schema.plugins;

import com.fasterxml.classmate.TypeResolver;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.stereotype.Component;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.schema.ModelBuilderPlugin;
import springfox.documentation.spi.schema.contexts.ModelContext;

import java.util.stream.Stream;

@Component
public class JsonIgnorePropertiesModelPlugin implements ModelBuilderPlugin {
  private final TypeResolver typeResolver;

  @Autowired
  public JsonIgnorePropertiesModelPlugin(TypeResolver typeResolver) {
    this.typeResolver = typeResolver;
  }

  @Override
  public void apply(ModelContext context) {
    JsonIgnoreProperties ignorable = AnnotationUtils.findAnnotation(forClass(context), JsonIgnoreProperties.class);
    if (ignorable != null && ignorable.value().length > 0) {
      context.getModelSpecificationBuilder()
          .compoundModelIfExists(c -> Stream.of(ignorable.value())
              .forEach(name -> c.propertyIfExists(name).apply(p -> p.isHidden(true))));
    }
  }

  private Class<?> forClass(ModelContext context) {
    return typeResolver.resolve(context.getType()).getErasedType();
  }

  @Override
  public boolean supports(DocumentationType delimiter) {
    return true;
  }
}
